# Karel Otto
**Wikidata**: [Q95436535](https://www.wikidata.org/wiki/Q95436535)  
**Source**: https://4ort.xyz/entity/karel-otto


## References

1. Czech National Authority Database
2. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1859496202350156)
3. [The Fine Art Archive](https://cs.isabart.org/person/155293)
4. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000001466&local_base=svk04)
5. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/863474)
6. Virtual International Authority File
7. The Fine Art Archive
8. Students of the Universities of Prague 1882–1945
9. Bibliography of the History of the Czech Lands